<style>
/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
#email-gutter { width: 0 !important; }
}
</style>
<div id="email-body">
<table id="email-wrap" align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#f0f0f0;color:#000000;width:100%;">
<tr valign="top">
<td id="email-page" style="padding:16px !important;">
<table align="center" border="0" cellpadding="0" cellspacing="0" style="background-color:#ffffff;border:1px solid #bbbbbb;color:#000000;width:100%;">
<tr valign="top">
<td bgcolor="#3e4c4e" style="background-color:#3e4c4e;color:#ffffff;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;line-height:1;"><img src="https://www.jboss.org/dms/hibernate/images/jira/jiraheader_hibernate.png" alt="" style="vertical-align:top;" /></td>
</tr><tr valign="top">
<td id="email-banner" style="padding:32px 32px 0 32px;">
<table align="left" border="0" cellpadding="0" cellspacing="0" width="100%" style="width:100%;">
<tr valign="top">
<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;padding:0;">
<img id="email-avatar" src="https://hibernate.onjira.com/secure/useravatar?avatarId=10162" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
<div id="email-action" style="padding: 0 0 8px 0;font-size:12px;line-height:18px;">
<a class="user-hover" rel="afillatre" id="email_afillatre" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=afillatre" style="color:#6c797f;">Alexandre FILLATRE</a>
created <img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HBX-1207'>HBX-1207</a>
</div>
<div id="email-summary" style="font-size:16px;line-height:20px;padding:2px 0 16px 0;">
<a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HBX-1207'><strong>Eclipse 100% cpu - Infinite garbage collections</strong></a>
</div>
</td>
</tr>
</table>
</td>
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<tr valign="top">
<td id="email-fields" style="padding:0 32px 32px 32px;">
<table border="0" cellpadding="0" cellspacing="0" style="padding:0;text-align:left;width:100%;" width="100%">
<tr valign="top">
<td id="email-gutter" style="width:64px;white-space:nowrap;"></td>
<td>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Issue Type:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.onjira.com/images/icons/bug.gif" height="16" width="16" border="0" align="absmiddle" alt="Bug"> Bug
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Affects Versions:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
3.2LATER </td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Assignee:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Unassigned </td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Attachments:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Screen shot 2012-08-09 at 11.45.38 AM.png </td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Components:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
eclipse </td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Created:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
09/Aug/12 4:57 AM
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Description:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<p style='margin-top:0;margin-bottom:10px;'>Eclipse takes between 100% and 200% cpu (4 cores cpu) for no apparent reason (Eclipse does not indicate working on something).<br/>
Looking the matter up in VisualVM, it appears that the GC runs every second (see attached screenshot).</p>
<p style='margin-top:0;margin-bottom:10px;'>Using an util tool (<a href="http://weblogs.java.net/blog/brucechapman/archive/2008/03/hot%5Fthreads.html)I">http://weblogs.java.net/blog/brucechapman/archive/2008/03/hot%5Fthreads.html)I</a> found out this :</p>
<div class="code panel" style="border-style: solid;border-width: 1px;"><div class="codeHeader panelHeader" style="border-bottom-width: 1px;border-bottom-style: solid;"><b>Thread-dump</b></div><div class="codeContent panelContent">
<pre class="code-java">62.2% CPU Usage by <span class="code-object">Thread</span> 'org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor'
3/10 snapshots sharing following 8 elements
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:253)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
org.eclipse.jdt.internal.core.JavaElement.getChildren(JavaElement.java:196)
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:370)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
3/10 snapshots sharing following 10 elements
org.eclipse.jdt.internal.core.JavaModelManager.getInfo(JavaModelManager.java:1941)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:253)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
org.eclipse.jdt.internal.core.SourceRefElement.getSourceRange(SourceRefElement.java:218)
org.eclipse.jdt.internal.core.ImportContainer.getSourceRange(ImportContainer.java:84)
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:375)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
2/10 snapshots sharing following 9 elements
org.eclipse.jdt.internal.core.JavaModelManager.getInfo(JavaModelManager.java:1941)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:253)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
org.eclipse.jdt.internal.core.SourceRefElement.getSourceRange(SourceRefElement.java:218)
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:375)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
2/10 snapshots sharing following 5 elements
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:375)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
59.5% CPU Usage by <span class="code-object">Thread</span> 'org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor'
2/10 snapshots sharing following 10 elements
org.eclipse.jdt.internal.core.JavaModelManager.getInfo(JavaModelManager.java:1941)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:253)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
org.eclipse.jdt.internal.core.SourceRefElement.getSourceRange(SourceRefElement.java:218)
org.eclipse.jdt.internal.core.ImportContainer.getSourceRange(ImportContainer.java:84)
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:375)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
2/10 snapshots sharing following 9 elements
org.eclipse.jdt.internal.core.JavaModelManager.getInfo(JavaModelManager.java:1941)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:253)
org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
org.eclipse.jdt.internal.core.JavaElement.getChildren(JavaElement.java:196)
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:370)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
4/10 snapshots sharing following 5 elements
org.eclipse.jdt.internal.core.JavaElement.getSourceElementAt(JavaElement.java:375)
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)
2/10 snapshots sharing following 4 elements
org.eclipse.jdt.internal.core.CompilationUnit.getElementAt(CompilationUnit.java:701)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.isJavaElementValidationRequired(JavaDirtyRegionProcessor.java:479)
org.jboss.tools.common.validation.java.JavaDirtyRegionProcessor.endProcessing(JavaDirtyRegionProcessor.java:433)
org.eclipse.wst.sse.ui.internal.reconcile.DirtyRegionProcessor$BackgroundThread.run(DirtyRegionProcessor.java:702)</pre>
</div></div>
<p style='margin-top:0;margin-bottom:10px;'>Steps to reproduce : Launch eclipse and wait 1 minute (Yes, I was able to reproduce it doing nothing at all but launch a workspace with existing projects)</p>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Environment:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
Mac OS X, Eclipse 4.2 32bit, Hibernate Tools 3.6.0.M1-v20120809-0018-H1079
</td>
</tr>
<tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Project:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a style="color:#6c797f;" href="https://hibernate.onjira.com/browse/HBX">Hibernate Tools</a>
</td>
</tr> <tr valign="top">
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Labels:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
hibernate
eclipse
tools
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Priority:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<img src="https://hibernate.onjira.com/images/icons/priority_critical.gif" height="16" width="16" border="0" align="absmiddle" alt="Critical"> Critical
</td>
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<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 10px 10px 0;white-space:nowrap;">
<strong style="font-weight:normal;color:#505050;">Reporter:</strong>
</td>
<td style="color:#000000;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:12px;padding:0 0 10px 0;width:100%;">
<a class="user-hover" rel="afillatre" id="email_afillatre" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=afillatre" style="color:#6c797f;">Alexandre FILLATRE</a>
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</table>
</td>
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</table>
</td>
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</table>
</td><!-- End #email-page -->
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<td style="color:#505050;font-family:Arial,FreeSans,Helvetica,sans-serif;font-size:10px;line-height:14px;padding: 0 16px 16px 16px;text-align:center;">
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If you think it was sent incorrectly, please contact your <a style='color:#6c797f;' href='https://hibernate.onjira.com/secure/ContactAdministrators!default.jspa'>JIRA administrators</a>.<br />
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</table><!-- End #email-wrap -->
</div><!-- End #email-body -->